<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  <head>
    <title>Color Blocks</title>
    <link rel="stylesheet" type="text/css" href="colors_marg.css" />
  </head>

  <body>
    <div class="one">One</div>
    <div class="two">Two</div>
    <div class="three">Three</div>
    <div class="four">Four</div>
  </body>
</html>
